Painting Cement Fiberboard Siding

Step 1 clean the fiber cement siding in order to properly seal the fiber cement siding it needs to be completely free of dust and debris.

Painting cement fiberboard siding.

Whether you ve got a colorplus finish or custom paint on your existing hardie siding you don t have to use primer when re painting hardie. This is due to the fact that fiber cement does not soak in the painting products like cedar pine or other wood siding products. Finish all the cut edges of the cement boards with a primer that s recommended for fiber cement boards. Cement boards also known as hardie boards are a type of fiber cement siding.

To help your paint adhere to the fiber cement siding and to get the most uniform looking finish on your paint job the best practice is to apply one coat of a quality exterior latex stain blocking or masonry primer to all of the siding. Use satin finish paint even though it costs more. Clean the cement board with a pressure washer. A pressure washing will also remove dirt dust mold and mildew.

The good news is hardie siding is easy to repaint. That shiny new look will soften and in the end will make keeping the siding clean much easier. Brand new fiber cement siding arrives prefinished factory primed or unprimed. Some factory painted siding panels are available and come with up to 15 year warranties that cover peeling cracking and chipping.

Do not prime the siding it comes pre primed use 100 acrylic paint caulk transitions where fiber cement meets trim use a quick dry flexible paintable caulk that is designed to bond to fiber cement and your trim material smooth caulk with your finger. Wipe away excess with a damp rag don t put too much paint on your brush less is more. This version allows you to paint the fiber cement siding in whatever color scheme you choose after installation. Place the fiber cement siding on top of the sawhorses and brush away with a broom.

Do not paint a cement board unless you have thoroughly cleaned it first or you may have problems with adhesion. If you are installing new siding finish all the cut edges and the planks with cement board compatible primer. All you should have to do is rinse your siding use a garden hose no pressure washers here to clean off any dust or dirt. There are two common versions for use on homes apartment buildings or commercial structures.

If you re repainting hardie plank or fiber cement siding you ll first need to clean your home s exterior. Prefinished siding arrives painted and ready for installation so it doesn t require a paint job or other preliminary maintenance. A pressure washing is necessary to remove chalking the old paint dusty oxidation residue from sunlight exposure.